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MD3220 四部曲：
《DAS存储DELL MD3220配置记录》http://dreamway.blog.51cto.com/1281816/1130444
《CentOS6.3安装PowerVault MD Storage Manager》 http://dreamway.blog.51cto.com/1281816/1131439 《CentOS6.3挂载DELL MD3220虚拟磁盘》http://dreamway.blog.51cto.com/1281816/1131557 《DELL R420 & MD3220 IO性能测试报告》http://dreamway.blog.51cto.com/1281816/1134064
1
、测试环境
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操作系统版本
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CentOS release 6.3 (Final) x86_64
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内核版本
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2.6.32-279.el6.x86_64 #1 SMP
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文件系统
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ext4
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IO
调
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cfq
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测试机
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DELL PE R420(
详见
R420
硬件配置信息
)
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2
、DAS IO测试工具Iometer
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Iometer
版本
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1.1.0-rc1
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Iometer
设置参数
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Maximum Disk Sizes
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20000000Sectors
（81GB）
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||||||||||||||||
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of Outstanding I/Os
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1/8/32
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Run Time
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2h
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3
、R420硬件配置信息
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Summary: Dell R420, 1 x Xeon E5-2420 0 1.90GHz, 15.5GB / 16GB 1333MHz DDR3 System: Dell PowerEdge R420 (Dell 01PP0V) Processors: 1 (of 2) x Xeon E5-2420 0 1.90GHz 6400MHz FSB (HT enabled, 6 cores, 12 threads) Memory: 15.5GB / 16GB 1333MHz DDR3 == 2 x 8GB, 10 x empty Disk: sda (scsi0): 1.2TB (7%) JBOD == 1 x DELL-PERC-H710P Disk: sdb (scsi1): 2.4TB JBOD == 1 x DELL-MD32xx Disk: sdc (scsi1): JBOD == 1 x DELL-Universal-Xport Disk-Control: ahci0: Intel C600/X79 series chipset 6-Port SATA AHCI Controller Disk-Control: megaraid_sas0: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] Disk-Control: mpt2sas0: LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] Network: em1 (tg3): Broadcom NetXtreme BCM5720 Gigabit PCIe, 90:b1:1c:30:4d:3a, 100Mb/s <full-duplex> Network: em2 (tg3): Broadcom NetXtreme BCM5720 Gigabit PCIe, 90:b1:1c:30:4d:3b, no carrier OS: CentOS 6.3 (Final), Linux 2.6.32-279.el6.x86_64 x86_64, 64-bit BIOS: Dell 1.4.6 10/26/2012 R420 硬盘及RAID配置：RAID5 600G/2.5"/10k/sas*3+1块hotspare/RAID卡1GB缓存 |
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4
、R420 IO性能测试
|
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两个设备硬件配置方面及RAID配置都一样：RAID卡1GB缓存、硬盘SAS/10k/2.5寸
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|
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Access Specification Name
|
of Outstanding I/Os
|
IOps
|
Read IOps
|
Write IOps
|
MBps (Decimal)
|
Read MBps (Decimal)
|
Write MBps (Decimal)
|
Transactions per Second
|
Average Response Time(ms)
|
|
||||||||
|
4K; 100% Read; 0% random
|
8
|
78995.73001
|
78995.73001
|
0
|
323.56651
|
323.56651
|
0
|
78995.73001
|
0.101051
|
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|
4K; 100% Write; 0% random
|
8
|
79386.4845
|
0
|
79386.4845
|
325.16704
|
0
|
325.16704
|
79386.4845
|
0.100447
|
|
||||||||
|
4K; 100% Read; 100% random
|
8
|
235.249117
|
235.249117
|
0
|
0.96358
|
0.96358
|
0
|
235.249117
|
34.005524
|
|
||||||||
|
4K; 100% Write; 100% random
|
8
|
1672.556382
|
0
|
1672.556382
|
6.850791
|
0
|
6.850791
|
1672.556382
|
4.782309
|
|
||||||||
|
4K; 100% Read; 0% random
|
16
|
78929.86665
|
78929.86665
|
0
|
323.296734
|
323.29673
|
0
|
78929.86665
|
0.202484
|
|
||||||||
|
4K; 100% Write; 0% random
|
16
|
79388.71514
|
0
|
79388.71514
|
325.176177
|
0
|
325.176177
|
79388.71514
|
0.201219
|
|
||||||||
|
4K; 100% Read; 100% random
|
16
|
254.362938
|
254.362938
|
0
|
1.041871
|
1.041871
|
0
|
254.362938
|
62.901264
|
|
||||||||
|
4K; 100% Write; 100% random
|
16
|
1685.435247
|
0
|
1685.435247
|
6.903543
|
0
|
6.903543
|
1685.435247
|
9.492133
|
|
||||||||
|
4K; 100% Read; 0% random
|
32
|
78989.47286
|
78989.47286
|
0
|
323.540881
|
323.54088
|
0
|
78989.47286
|
0.404873
|
|
||||||||
|
4K; 100% Write; 0% random
|
32
|
79375.04768
|
0
|
79375.04768
|
325.120195
|
0
|
325.120195
|
79375.04768
|
0.402844
|
|
||||||||
|
4K; 100% Read; 100% random
|
32
|
258.860832
|
258.860832
|
0
|
1.060294
|
1.060294
|
0
|
258.860832
|
123.618606
|
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|
4K; 100% Write; 100% random
|
32
|
1686.722898
|
0
|
1686.722898
|
6.908817
|
0
|
6.908817
|
1686.722898
|
18.968491
|
|
||||||||
5、MD3220 IO性能测试
文章字符限制内容略，完整版文档详见http://down.51cto.com/data/682369。
|
6、测试结论
|
||||||||||
|
IO
测试结论： 主要测试4k数据顺序、随机读写IO性能 R420随机读写性能较差，特别是随机读性能，相对MD3220随机读较好 MD3220 随机读写性能较差。除随机读性能外，其他方面比R420性能较好 |
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因为格式及文章字符限制，内容未完，完整版还请下载文档，链接如下http://down.51cto.com/data/682369
本文转自pandazhai 51CTO博客，原文链接:http://blog.51cto.com/dreamway/1134064
